Diferenças

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--- geopro:pedro:giscience [2009/02/17 02:49] – pedro
+++ geopro:pedro:giscience [2009/02/17 03:19] (atual) – pedro
@@ Linha 101: / Linha 101: @@
 A criterion for evaluating the suitability of a query language for a non-standard application domain is: "How useful are the
 database operations provided by the query language for the particular application?"
@@ Linha 139: / Linha 140: @@
 second class citizens.
+**higher order functions allow to separate the part of
+operations specific to the data structure from the code of the operations which
+is specific to the data type stored. GIS are large data collections and must use
+complex spatial data structures. It is beneficial to separate the code which
+traverses the data structure from the code which operates on the feature data.**
 ====Fiat and Bona Fide Boundaries====